General description The Pet Water Fountain Filter is designed specifically for the Poweka NPET WF020 water fountain, ensuring optimal performance and water quality for your pets. This replacement filter features a quadruple filtration structure that effectively enhances water quality and oxygen content, providing cleaner and healthier water for your cats and dogs. Technical specifications Compatibility: NEPT WF020 water fountain Dimensions: 4.9 x 1.38 x 0.98 inches (12.5cm x 3.5cm x 2.5cm) Filtration: High-density activated carbon filter with quadruple filtration structure Usage To maintain the freshness and cleanliness of your pet's water, it is recommended to replace the foam filter every 2-4 weeks. The filters are easy to remove for cleaning the pump and replacing the foam filter. Other information Includes: 5 pieces of pet fountain filters in one set High quality and bulk packaging for cost savings